DataGrid.ParentRowsLabelStyleChanged-Ereignis

Tritt ein, wenn der Bezeichnungsstil der übergeordneten Zeile geändert wird.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

Syntax

'Declaration
Public Event ParentRowsLabelStyleChanged As EventHandler
'Usage
Dim instance As DataGrid
Dim handler As EventHandler

AddHandler instance.ParentRowsLabelStyleChanged, handler

public event EventHandler ParentRowsLabelStyleChanged

public:
event EventHandler^ ParentRowsLabelStyleChanged {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

/** @event */
public void add_ParentRowsLabelStyleChanged (EventHandler value)

/** @event */
public void remove_ParentRowsLabelStyleChanged (EventHandler value)

JScript unterstützt die Verwendung von Ereignissen, aber nicht die Deklaration von neuen Ereignissen.

Hinweise

Weitere Informationen zum Behandeln von Ereignissen finden Sie unter Behandeln von Ereignissen.

Beispiel

Private Sub CallParentRowsLabelStyleChanged()
   AddHandler myDataGrid.ParentRowsLabelStyleChanged, AddressOf _
                                        DataGridParentRowsLabelStyleChanged_Clicked
End Sub 'CallParentRowsLabelStyleChanged


' Set the 'ParentRowsLabelStyle' property on click of a button.
 Private Sub ToggleStyle_Clicked(ByVal sender As Object, ByVal e As EventArgs)
     If myDataGrid.ParentRowsLabelStyle.ToString() = "Both" Then
         myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.TableName
     Else
         myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both
     End If
 End Sub 'ToggleStyle_Clicked

 ' raise the event when 'ParentRowsLabelStyle' property is changed.
 Private Sub DataGridParentRowsLabelStyleChanged_Clicked(ByVal sender As Object, ByVal e As EventArgs)
     Dim myMessage As String = "ParentRowsLabelStyleChanged event raised, LabelStyle is : "
     ' Get the state of 'ParentRowsLabelStyle' property.
     Dim myLabelStyle As String = myDataGrid.ParentRowsLabelStyle.ToString()
     myMessage += myLabelStyle

     MessageBox.Show(myMessage, "ParentRowsLabelStyle information")
 End Sub 'DataGridParentRowsLabelStyleChanged_Clicked

private void CallParentRowsLabelStyleChanged()
{
   myDataGrid.ParentRowsLabelStyleChanged +=
      new EventHandler(DataGridParentRowsLabelStyleChanged_Clicked);
}

// Set the 'ParentRowsLabelStyle' property on click of a button.
private void ToggleStyle_Clicked(object sender, EventArgs e)
{
   if (myDataGrid.ParentRowsLabelStyle.ToString() == "Both")
      myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.TableName;
   else
      myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both;
}

// raise the event when 'ParentRowsLabelStyle' property is changed.
private void DataGridParentRowsLabelStyleChanged_Clicked(object sender, EventArgs e)
{
   string myMessage = "ParentRowsLabelStyleChanged event raised, LabelStyle is : ";
   // Get the state of 'ParentRowsLabelStyle' property.
   string myLabelStyle = myDataGrid.ParentRowsLabelStyle.ToString();
   myMessage += myLabelStyle;

   MessageBox.Show(myMessage, "ParentRowsLabelStyle information");
}

private:
   void CallParentRowsLabelStyleChanged()
   {
      myDataGrid->ParentRowsLabelStyleChanged += gcnew EventHandler( this, &MyForm::DataGridParentRowsLabelStyleChanged_Clicked );
   }

   // Set the 'ParentRowsLabelStyle' property on click of a button.
   void ToggleStyle_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( myDataGrid->ParentRowsLabelStyle.ToString()->Equals( "Both" ) )
            myDataGrid->ParentRowsLabelStyle = DataGridParentRowsLabelStyle::TableName;
      else
            myDataGrid->ParentRowsLabelStyle = DataGridParentRowsLabelStyle::Both;
   }

   // raise the event when 'ParentRowsLabelStyle' property is changed.
   void DataGridParentRowsLabelStyleChanged_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      String^ myMessage = "ParentRowsLabelStyleChanged event raised, LabelStyle is : ";
      
      // Get the state of 'ParentRowsLabelStyle' property.
      String^ myLabelStyle = myDataGrid->ParentRowsLabelStyle.ToString();
      myMessage = String::Concat( myMessage, myLabelStyle );
      MessageBox::Show( myMessage, "ParentRowsLabelStyle information" );
   }

private void CallParentRowsLabelStyleChanged()
{
    myDataGrid.add_ParentRowsLabelStyleChanged(
        new EventHandler(DataGridParentRowsLabelStyleChanged_Clicked));
} //CallParentRowsLabelStyleChanged

// Set the 'ParentRowsLabelStyle' property on click of a button.
protected void ToggleStyle_Clicked(Object sender, EventArgs e)
{
    if (myDataGrid.get_ParentRowsLabelStyle().ToString().Equals("Both")) {
        myDataGrid.set_ParentRowsLabelStyle( 
            DataGridParentRowsLabelStyle.TableName);
    }
    else {
        myDataGrid.set_ParentRowsLabelStyle( 
            DataGridParentRowsLabelStyle.Both);
    }
} //ToggleStyle_Clicked

// raise the event when 'ParentRowsLabelStyle' property is changed.
protected void DataGridParentRowsLabelStyleChanged_Clicked(Object sender,
    EventArgs e)
{
    String myMessage = "ParentRowsLabelStyleChanged event raised, " 
        + "LabelStyle is : ";

    // Get the state of 'ParentRowsLabelStyle' property.
    String myLabelStyle = myDataGrid.get_ParentRowsLabelStyle().ToString();

    myMessage += myLabelStyle;
    MessageBox.Show(myMessage, "ParentRowsLabelStyle information");
} //DataGridParentRowsLabelStyleChanged_Clicked

Plattformen

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile für Pocket PC, Windows Mobile für Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

DataGrid-Klasse
DataGrid-Member
System.Windows.Forms-Namespace